/*
 * @(#)Example.java	1.0 Apr 17, 2008
 *
 *	The MIT License
 *
 *	Copyright (c) 2008 Malachi de AElfweald <malachid@gmail.com>
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a copy
 *	of this software and associated documentation files (the "Software"), to deal
 *	in the Software without restriction, including without limitation the rights
 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *	copies of the Software, and to permit persons to whom the Software is
 *	furnished to do so, subject to the following conditions:
 *
 *	The above copyright notice and this permission notice shall be included in
 *	all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *	THE SOFTWARE.
 */
package org.eoti.io.args4j;

import org.kohsuke.args4j.*;
import org.eoti.net.PortConfiguration;

import java.math.BigInteger;
import java.util.*;

public class Example
{
	static{Args4jRegistry.install();}

	@Option(name="-bi", usage="123456789")
	protected BigInteger CHOSEN_BI = null;

	@Option(name="-pc", usage="80, or tcp/80, or http")
	protected PortConfiguration CHOSEN_PC = null;

	// receives whatever non-option arguments are passed
	@Argument
	protected List<String> arguments = new ArrayList<String>();

	public static void main(String ... args)
	{
		Example ex = new Example(args);
	}

	public Example(String ... args)
	{
		CmdLineParser cmdLineParser = new CmdLineParser(this);
		try{
			cmdLineParser.parseArgument(args);
			if(CHOSEN_BI == null && CHOSEN_PC == null)
				throw new CmdLineException("Must specify either -bi or -pc");
		} catch(CmdLineException e){
			System.err.format("Error: %s\n", e.getMessage());
			System.err.println("USAGE: java org.eoti.io.args4j.Example [options...] arguments...");
			cmdLineParser.printUsage(System.err);
			System.err.println();

			System.err.format(
				"EXAMPLE: java org.eoti.io.args4j.Example %s\n",
				cmdLineParser.printExample(ExampleMode.ALL)
			);

			return;
		}

		System.out.format("Chosen BigInteger: %s\n", CHOSEN_BI);
		System.out.format("Chosen PortConfiguration: %s\n", CHOSEN_PC);
	}
}
